Alcatel SEL A.G.
6Patents
0Active
6Granted
29Portfolio score
Filing activity: Apr 30, 1993 → Oct 24, 1995
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5592469A | Radio system | Electricity | 59 | Expired |
| US5577198A | Test method as well as a converter, a test set, and a test-program module therefor | Electricity | 18 | Expired |
| US5317660A | Optical transmission system with optical filter for providing protection against giant pulses | Electricity | 13 | Expired |
| US5297154A | Fiber-optic amplifier with feedback-insensitive pump laser | Electricity | 9 | Expired |
| US5719874A | Time-division-multiplexing method and apparatus | Electricity | 3 | Expired |
| US5761199A | Method of controlling an exchange, its control facilities, program modules, and switching system | Electricity | 1 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.